Array index error in the scanstring function in the _json module in Python 2.7 through…
Priority LOW 37CWE-129Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 16 fixed, 4 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
Array index error in the scanstring function in the _json module in Python 2.7 through 3.5 and simplejson before 2.6.1 allows context-dependent attackers to read arbitrary process memory via a negative index value in the idx argument to the raw_decode function.
Why it matters now
EPSS 0.07845 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial simplejson (PyPI): 2.6.1Red Hat: 2 advisoriesRed Hat: 16 fixed, 4 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | simplejson (PyPI) | before 2.6.1 | 2.6.1 | Patch available | GHSA-9772-cwx9-r4cj |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- simplejson (PyPI) Vendor— Affected before 2.6.1 Fixed in 2.6.1 Patch available GHSA-9772-cwx9-r4cj
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:python:python:*:*:*:*:*:*:*:* | 2.7.0 to before 2.7.7; 3.0.0 to before 3.2.6; 3.3.0 to before 3.3.6; 3.4.0 to before 3.4.1 | Vulnerable | python-pillow |
| cpe:2.3:a:simplejson_project:simplejson:*:*:*:*:*:python:*:* | before 2.6.1 | Vulnerable | Simplejson Project |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse_project:opensuse:12.3:*:*:*:*:*:*:* | 12.3 | Vulnerable | Opensuse Project |
- cpe:2.3:a:python:python:*:*:*:*:*:*:*:* Versions 2.7.0 to before 2.7.7; 3.0.0 to before 3.2.6; 3.3.0 to before 3.3.6; 3.4.0 to before 3.4.1 Vulnerable ·python-pillow
- cpe:2.3:a:simplejson_project:simplejson:*:*:*:*:*:python:*:* Versions before 2.6.1 Vulnerable ·Simplejson Project
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse_project:opensuse:12.3:*:*:*:*:*:*:* Versions 12.3 Vulnerable ·Opensuse Project
Remediation
- Fix · GHSA-9772-cwx9-r4cj simplejson (PyPI) Fixed in 2.6.1 Advisory →
Red Hat 2 advisories
- RHSA-2015:2101 Released 2015-11-19 · Red Hat rating Moderatepython security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) python-2.7.5-34.el7, python-libs-2.7.5-34.el7
- Red Hat Enterprise Linux Client Optional (v. 7) python-debug-2.7.5-34.el7, python-devel-2.7.5-34.el7, python-test-2.7.5-34.el7 +2
- Red Hat Enterprise Linux ComputeNode (v. 7) python-2.7.5-34.el7, python-devel-2.7.5-34.el7, python-libs-2.7.5-34.el7
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-debug-2.7.5-34.el7, python-test-2.7.5-34.el7, python-tools-2.7.5-34.el7 +1
- Red Hat Enterprise Linux Server (v. 7) python-2.7.5-34.el7, python-devel-2.7.5-34.el7, python-libs-2.7.5-34.el7 +1
- Red Hat Enterprise Linux Server Optional (v. 7) python-debug-2.7.5-34.el7, python-test-2.7.5-34.el7, python-tools-2.7.5-34.el7 +1
- Red Hat Enterprise Linux Workstation (v. 7) python-2.7.5-34.el7, python-devel-2.7.5-34.el7, python-libs-2.7.5-34.el7
- Red Hat Enterprise Linux Workstation Optional (v. 7) python-debug-2.7.5-34.el7, python-test-2.7.5-34.el7, python-tools-2.7.5-34.el7 +1
- RHSA-2015:1064 Released 2015-06-04 · Red Hat rating Moderatepython27 security, bug fix, and enhancement update
- Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) python27-1.1-17.el6, python27-python-2.7.8-3.el6, python27-python-debug-2.7.8-3.el6 +11
- Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) python27-1.1-20.el7, python27-python-2.7.8-3.el7, python27-python-debug-2.7.8-3.el7 +11
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5) python27-1.1-17.el6, python27-python-2.7.8-3.el6, python27-python-debug-2.7.8-3.el6 +11
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) python27-1.1-17.el6, python27-python-2.7.8-3.el6, python27-python-debug-2.7.8-3.el6 +11
- Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) python27-1.1-17.el6, python27-python-2.7.8-3.el6, python27-python-debug-2.7.8-3.el6 +11
- Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) python27-1.1-20.el7, python27-python-2.7.8-3.el7, python27-python-debug-2.7.8-3.el7 +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | Affected | No fix yet |
| Red Hat Software Collections | Affected | No fix yet |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2015:2101 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2015:2101 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2015:2101 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2015:2101 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:2101 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2015:2101 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:2101 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2015:2101 |
| Red Hat Satellite 6.0 | Fixed | — |
| Red Hat Satellite Capsule 6.0 | Fixed | — |
| Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5) | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2015:1064 |
| Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:1064 |
Not affected: 6 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Satellite 6.0
- Red Hat Satellite 6.0 - Optional
- Red Hat Satellite Capsule 6.0
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2014-4616
- 2026-10-03 Alias added: GHSA-9772-cwx9-r4cj
References
Exploit 1
Advisory 6
Sources
- CVE-2014-4616 · CVE Program
- CVE-2014-4616 · NVD
- FIRST EPSS
- GHSA-9772-cwx9-r4cj · GitHub Advisory Database · CC BY 4.0
- CVE-2014-4616 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences